{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:SSAKKSZ4CKVCYVJRYF32JOW4VR","short_pith_number":"pith:SSAKKSZ4","canonical_record":{"source":{"id":"1008.0493","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-03T09:21:10Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"d23be0a9670be251eedbd1f2ea03c61c90e8b939066cb2d400291206130c3c88","abstract_canon_sha256":"432fa10f5f5954b692d74147cda380d74c9353961bb4b6f840ae156caeaa0697"},"schema_version":"1.0"},"canonical_sha256":"9480a54b3c12aa2c5531c177a4badcac775d373f9623e5b4bcd7442798b62c6d","source":{"kind":"arxiv","id":"1008.0493","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.0493","created_at":"2026-05-18T04:42:35Z"},{"alias_kind":"arxiv_version","alias_value":"1008.0493v2","created_at":"2026-05-18T04:42:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.0493","created_at":"2026-05-18T04:42:35Z"},{"alias_kind":"pith_short_12","alias_value":"SSAKKSZ4CKVC","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"SSAKKSZ4CKVCYVJR","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"SSAKKSZ4","created_at":"2026-05-18T12:26:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:SSAKKSZ4CKVCYVJRYF32JOW4VR","target":"record","payload":{"canonical_record":{"source":{"id":"1008.0493","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-03T09:21:10Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"d23be0a9670be251eedbd1f2ea03c61c90e8b939066cb2d400291206130c3c88","abstract_canon_sha256":"432fa10f5f5954b692d74147cda380d74c9353961bb4b6f840ae156caeaa0697"},"schema_version":"1.0"},"canonical_sha256":"9480a54b3c12aa2c5531c177a4badcac775d373f9623e5b4bcd7442798b62c6d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:42:35.106773Z","signature_b64":"zubPO8Q5xXkBzkwjt8bHUmgFp/UKQIdfzsJtJXd7kJGlFWrw2sEOICLAUnftwcSf7sMWKRfEVLycdbWzkIAQAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9480a54b3c12aa2c5531c177a4badcac775d373f9623e5b4bcd7442798b62c6d","last_reissued_at":"2026-05-18T04:42:35.106329Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:42:35.106329Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.0493","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:42:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ltI7S9BswASJyQSq9RcH1CyvzyZISGt3HLUOz/xvQeuO1OyLMMwfShiAzOsy9lgXIsHRUB6PSw2TFUr0NeLuDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:29:56.871926Z"},"content_sha256":"d55d4f293f252e8809a5e67156c264b2c1b3f56690bd96bc3a420eee83180afb","schema_version":"1.0","event_id":"sha256:d55d4f293f252e8809a5e67156c264b2c1b3f56690bd96bc3a420eee83180afb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:SSAKKSZ4CKVCYVJRYF32JOW4VR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Orbital structure in barred spiral galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.IM","authors_text":"Constantinos Kalapotharakos, Maria Harsoula","submitted_at":"2010-08-03T09:21:10Z","abstract_excerpt":"We study the orbital structure in a series of self-consistent $N$-body configurations simulating rotating barred galaxies with spiral and ring structures. We perform frequency analysis in order to measure the angular and the radial frequencies of the orbits at two different time snapshots during the evolution of each $N$-body system. The analysis is done separately for the regular and the chaotic orbits. We thereby identify the various types of orbits, determine the shape and percentages of the orbits supporting the bar and the ring/spiral structures, and study how the latter quantities change"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.0493","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:42:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JmyaleqnW58v7hD1V4ckEcvBuSKhTLFS6w9r0B8A2xfuY0+b2CfLjPKeAOSq6PoqIwhHbcBJKCkZb+I1Q7zYBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:29:56.872278Z"},"content_sha256":"210d62545a8115994e1d36721da2159fdbdbc1ee9aff57312e736e12a3490fd8","schema_version":"1.0","event_id":"sha256:210d62545a8115994e1d36721da2159fdbdbc1ee9aff57312e736e12a3490fd8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SSAKKSZ4CKVCYVJRYF32JOW4VR/bundle.json","state_url":"https://pith.science/pith/SSAKKSZ4CKVCYVJRYF32JOW4VR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SSAKKSZ4CKVCYVJRYF32JOW4VR/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-27T05:29:56Z","links":{"resolver":"https://pith.science/pith/SSAKKSZ4CKVCYVJRYF32JOW4VR","bundle":"https://pith.science/pith/SSAKKSZ4CKVCYVJRYF32JOW4VR/bundle.json","state":"https://pith.science/pith/SSAKKSZ4CKVCYVJRYF32JOW4VR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SSAKKSZ4CKVCYVJRYF32JOW4VR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:SSAKKSZ4CKVCYVJRYF32JOW4VR","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"432fa10f5f5954b692d74147cda380d74c9353961bb4b6f840ae156caeaa0697","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-03T09:21:10Z","title_canon_sha256":"d23be0a9670be251eedbd1f2ea03c61c90e8b939066cb2d400291206130c3c88"},"schema_version":"1.0","source":{"id":"1008.0493","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.0493","created_at":"2026-05-18T04:42:35Z"},{"alias_kind":"arxiv_version","alias_value":"1008.0493v2","created_at":"2026-05-18T04:42:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.0493","created_at":"2026-05-18T04:42:35Z"},{"alias_kind":"pith_short_12","alias_value":"SSAKKSZ4CKVC","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"SSAKKSZ4CKVCYVJR","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"SSAKKSZ4","created_at":"2026-05-18T12:26:13Z"}],"graph_snapshots":[{"event_id":"sha256:210d62545a8115994e1d36721da2159fdbdbc1ee9aff57312e736e12a3490fd8","target":"graph","created_at":"2026-05-18T04:42:35Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We study the orbital structure in a series of self-consistent $N$-body configurations simulating rotating barred galaxies with spiral and ring structures. We perform frequency analysis in order to measure the angular and the radial frequencies of the orbits at two different time snapshots during the evolution of each $N$-body system. The analysis is done separately for the regular and the chaotic orbits. We thereby identify the various types of orbits, determine the shape and percentages of the orbits supporting the bar and the ring/spiral structures, and study how the latter quantities change","authors_text":"Constantinos Kalapotharakos, Maria Harsoula","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-03T09:21:10Z","title":"Orbital structure in barred spiral galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.0493","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:d55d4f293f252e8809a5e67156c264b2c1b3f56690bd96bc3a420eee83180afb","target":"record","created_at":"2026-05-18T04:42:35Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"432fa10f5f5954b692d74147cda380d74c9353961bb4b6f840ae156caeaa0697","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-03T09:21:10Z","title_canon_sha256":"d23be0a9670be251eedbd1f2ea03c61c90e8b939066cb2d400291206130c3c88"},"schema_version":"1.0","source":{"id":"1008.0493","kind":"arxiv","version":2}},"canonical_sha256":"9480a54b3c12aa2c5531c177a4badcac775d373f9623e5b4bcd7442798b62c6d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9480a54b3c12aa2c5531c177a4badcac775d373f9623e5b4bcd7442798b62c6d","first_computed_at":"2026-05-18T04:42:35.106329Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:42:35.106329Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zubPO8Q5xXkBzkwjt8bHUmgFp/UKQIdfzsJtJXd7kJGlFWrw2sEOICLAUnftwcSf7sMWKRfEVLycdbWzkIAQAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:42:35.106773Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.0493","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d55d4f293f252e8809a5e67156c264b2c1b3f56690bd96bc3a420eee83180afb","sha256:210d62545a8115994e1d36721da2159fdbdbc1ee9aff57312e736e12a3490fd8"],"state_sha256":"765b980e2f0543ae370df30c4456ecd5c0636338b6bd77894253e75548830c05"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nbQ15FJquu3amxqunUkshVdLLoDxzNCzOBYFTBeSdtsJDTV/UgXtQ+M9qDuXdJLusmmTK3CxVy4LGelnoXngDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T05:29:56.874486Z","bundle_sha256":"a568d4a06e5549b459ae14a93df2d1bad4efdb2eebdfc0781c240a3ca30a21e0"}}